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Keywords:

  • BiFeO3;
  • domain walls;
  • ferroelectric domains;
  • multiferroics;
  • polarization switching

Abstract

Thumbnail image of graphical abstract

The 71° stripe domain patterns of epitaxial BiFeO3 thin films are frequently being explored to achieve new functional properties, dissimilar from the BiFeO3 bulk properties. We show that in-plane switching and out-of-plane switching of these domains behave very differently. In the in-plane configuration the domains are very stable, whereas in the out-of-plane configuration the domains change their size and patterns, depending on the applied switching voltage frequency.